back when I was preparing to be a dangerous teenage driver

来源：百度知道编辑：UC知道时间：2024/09/20 02:49:23

back when是怎么回事啊

back when 当……时候回来,when 引导的是时间状语从句

省略了主语（……人）和谓语，可以补完整:

（I would be） back when I was preparing to be a dangerous teenage driver

大概意思是：当我准备好做一名少年车手时再回来。

I happened_______(sleep) when he came back. I’m afraid it will be two months A. when I come back B. when I’ll come back and was tied up with work when I came back 选择题when my mother came back home,I was still____ I don't know when Mr. Li ____ back. But I'll call you at once when he ___ back I'm not that sure when she'll be back.是什么从句? I want know you just leave Wuhan what's time and when you back out Where I started my own family and career.When I moved back near my hometown five years ago . Much to my delight,when I got back into my office, I found all the lights in it____. -----When will they be back？